If you want to get philosophical about “National Security,” you could ask yourself this: Would you be able to forgive and perhaps even befriend the man who wrongly accused you of a crime that got you sent to prison? No? How about if that man was Martin Lawrence? ‘Cause that’s what this action-comedy buddy pic is asking of the viewer.

There are a few stereotypes which neither sex seems to mind perpetuating. Men are deathly afraid of marriage. A bachelor party isn’t complete without strippers. It’s better to take chances than settle for a middle-class life. Each of these elements plays a component in the plot developments (such as they are) of the comedy “A Guy Thing,” but none of them are fleshed out in a manner that’s even vaguely interesting, much less plausible.

You know Jeremy Piven. Or at least you think you do. Chances are you attended Evanston Township High School with him, or were in acting classes with him at his parents’ Piven Theatre Workshop, or knew someone who knew someone who did.